220 mailpot.garrows.com SMTP Server EHLO User 500 Syntax error AUTH LOGIN 334 VXNlcm5hbWU6 dGVzdHVzZXI= 334 UGFzc3dvcmQ6 dGVzdHVzZXIxMjM0NQ== 535 Authentication failed. Keep trying. QUIT 221 OK bye